Black Baccara with Fresh Rose Stem Cells Hair Multiplying Mask from miriam quevedo is an intensely repairing mask that works at the molecular level to repair broken bonds reversing hair fiber damage back to virgin hair. It improves strength and elasticity in even the most damaged hair, forming a cuticle-protection film to defend against thermal damage while also reducing breakage and delivering smoothness, shine, softness and manageability to hair. Key Ingredients: Black Baccara Rose Youth Concentrate: provides intense protection against internal and external stressors, while constantly adapting based on lifestyle and environment to prevent and defend against aging caused prematurely by our daily routines Fresh Rose Stem Cells: contains special epigenetic factors and metabolites to preserve hair follicle's stem cells' function, increasing stem cell vitality, boosting regeneration and protecting against environmental stress Hair Growth Factors: act at the heart of hair follicle, targeting multiple hair growth regulators, to prevent and stop hair loss while also stimulating growth Multi-bond Strengthener: strengthens hair from inside the fiber by penetrating deep into the cortex to create new hydrogen and ionic bonds that have been damaged, strengthening up to 3X that of untreated hair Vegan Keratin: 100% natural and vegetable-based, it increases hair strength and elasticity protecting against damage from harsh salon processes, environmental stressors and oxidative stress and improving manageability and leaves hair looking shinier and healthier Key Benefits: Intensely moisturizes, nourishes and revitalizes hair and scalp while preventing hair growth disturbances due to our environment and lifestyle Ensures proper function of the hair follicle to decrease and prevent hair thinning/loss and stimulate hair growth Improves strength by up to 18% and elasticity up to 18% compared to untreated hair Repairs broken bonds to help strengthen internal hair structure up to 3x that of untreated hair Provides strength and shine while protecting and reducing damage from harsh salon processes/styling